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肺栓塞诊断:单层、多层螺旋CT的对比研究

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Objective: To evaluate and compare the clinical applications of multi-slice and single-slice spiral CT pulmonary angiography (MSCTPA and SCTPA) in the diagnosis of pulmonary embolism (PE). Methods: The manifestations of spiral CT pulmonary angiography with 83 cases whose were proved by clinical were analyzed retrospectively. Among them, 23 cases and 60 cases were examined by multi-slice and single-slice spiral CT pulmonary angiography (MSCTPA, SCTPA), respectively. Results: 3548 pulmonary arteries of 83 patients with PE were analyzed. Direct manifestations (including 95 central filling defects, 230 partial filling defects, 251 total occlusion and 183 mural filling defects)were showed in 759 pulmonary arteries (759/3548, 23.3%) by MSCTPA and SCTPA. 157/481(32.6%) and 371/1404(26.4%) direct manifestations were displayed respectively by MSCUPA and SCTPA in 1885 superior segmental pulmonary arteries. There were no remarkable difference between MSCTPA and SCTPA (t test, t=1.322<t0.1(81)=1.6

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Objective: To evaluate and compare the clinical applications of multi-slice and single-slice spiral CT pulmonary angiography (MSCTPA and SCTPA) in the diagnosis of pulmonary embolism (PE). Methods: The manifestations of spiral CT pulmonary angiography with 83 cases whose were proved by clinical were analyzed retrospectively. Among them, 23 cases and 60 cases were examined by multi-slice and single-slice spiral CT pulmonary angiography (MSCTPA, SCTPA), respectively. Results: 3548 pulmonary arteries of 83 patients with PE were analyzed. Direct manifestations (including 95 central filling defects, 230 partial filling defects, 251 total occlusion and 183 mural filling defects)were showed in 759 pulmonary arteries (759/3548, 23.3%) by MSCTPA and SCTPA. 157/481(32.6%) and 371/1404(26.4%) direct manifestations were displayed respectively by MSCUPA and SCTPA in 1885 superior segmental pulmonary arteries. There were no remarkable difference between MSCTPA and SCTPA (t test, t=1.322<t0.1(81)=1.6

Keywords

MedicineAngiographyRadiologyPulmonary vasculatureOcclusionPulmonary embolismPulmonary angiographyInternal medicine

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